28103336 has 16 divisors (see below), whose sum is σ = 53187840. Its totient is φ = 13919920.

The previous prime is 28103323. The next prime is 28103347. The reversal of 28103336 is 63330182.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15560 + ... + 17271.

It is an arithmetic number, because the mean of its divisors is an integer number (3324240).

Almost surely, 2^28103336 is an apocalyptic number.

It is an amenable number.

28103336 is a deficient number, since it is larger than the sum of its proper divisors (25084504).

28103336 is a wasteful number, since it uses less digits than its factorization.

28103336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32944 (or 32940 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 28103336 is about 5301.2579639176. The cubic root of 28103336 is about 304.0319968630.

The spelling of 28103336 in words is "twenty-eight million, one hundred three thousand, three hundred thirty-six".